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import { useState } from “react”; import { PDFDocument, rgb } from “pdf-lib”; import { Button, Input } from “@/components/ui/button”; import { Upload } from “lucide-react”; export default function PDFEditor() { const [pdfFile, setPdfFile] = useState(null); const [pdfUrl, setPdfUrl] = useState(“”); const handleFileUpload = async (event) => { const file = event.target.files[0]; if (file) { const reader = new FileReader(); reader.readAsArrayBuffer(file); reader.onload = async () => { const pdfDoc = await PDFDocument.load(reader.result); setPdfFile(pdfDoc); }; } }; const addLinkToPDF = async (url, x, y, width, height) => { if (!pdfFile) return; const page = pdfFile.getPages()[0]; page.drawRectangle({ x, y, width, height, borderColor: rgb(0, 0, 1), borderWidth: 1, }); page.doc.addAnnotation({ type: “link”, rect: [x, y, x + width, y + height], url, }); const pdfBytes = await pdfFile.save(); setPdfUrl(URL.createObjectURL(new Blob([pdfBytes], { type: “application/pdf” }))); }; return ( ); } import { useState } from “react”; import { Wheel } from “react-custom-roulette”; import { Input, Button, Card } from “@/components/ui/button”; export default function BusinessSpinWheel() { const [options, setOptions] = useState([ { option: “10% Off”, probability: 50 }, { option: “Free Product”, probability: 30 }, { option: “No Win”, probability: 20 }, ]); const [mustSpin, setMustSpin] = useState(false); const [prizeIndex, setPrizeIndex] = useState(0); const handleSpin = () => { const totalWeight = options.reduce((sum, opt) => sum + opt.probability, 0); const rand = Math.random() * totalWeight; let cumulative = 0; let selectedIndex = 0; for (let i = 0; i < options.length; i++) { cumulative += options[i].probability; if (rand < cumulative) { selectedIndex = i; break; } } setPrizeIndex(selectedIndex); setMustSpin(true); }; const handleStop = () => setMustSpin(false); const updateOption = (index, field, value) => { const newOptions = […options]; newOptions[index][field] = field === “probability” ? Number(value) : value; setOptions(newOptions); }; return ( ); }